“Eroica”, Symphony no. 3 in E-flat, op. 55

Symphony No. 3 in E-flat major, Op. 55, known as the Eroica, is the third symphony by Ludwig van Beethoven, composed in 1803–1804 and first performed in 1804. The work expanded the symphonic form in scale and emotional breadth, featuring extended thematic development, bold harmonic shifts and a pioneering approach to movement structure that helped lay the foundations for the Romantic symphonic tradition.